﻿/*

This file is part of Ext JS 4

Copyright (c) 2011 Sencha Inc

Contact:  http://www.sencha.com/contact

Commercial Usage
Licensees holding valid commercial licenses may use this file in accordance with the Commercial Software License Agreement provided with the Software or, alternatively, in accordance with the terms contained in a written agreement between you and Sencha.

If you are unsure which license is appropriate for your use, please contact the sales department at http://www.sencha.com/contact.

*/
/**
 * @class Ext.ux.GMapPanel
 * @extends Ext.Panel
 * @author Shea Frederick
 */
Ext.define('Ext.ux.GMapPanel', {
    extend: 'Ext.Panel',

    alias: 'widget.gmappanel',

    requires: ['Ext.window.MessageBox'],

    initComponent: function () {

        var defConfig = {
            plain: true,
            zoomLevel: 3,
            yaw: 180,
            pitch: 0,
            zoom: 0,
            gmapType: 'map',
            border: false
        };

        Ext.applyIf(this, defConfig);

        this.callParent();
    },

    afterRender: function () {

        var wh = this.ownerCt.getSize(),
            point;

        Ext.applyIf(this, wh);

        this.callParent();

        if (this.gmapType === 'map') {
            this.gmap = new GMap2(this.body.dom);
        }

        if (this.gmapType === 'panorama') {
            this.gmap = new GStreetviewPanorama(this.body.dom);
        }

        if (typeof this.addControl == 'object' && this.gmapType === 'map') {
            this.gmap.addControl(this.addControl);
        }

        if (typeof this.setCenter === 'object') {
            if (typeof this.setCenter.geoCodeAddr === 'string') {
                this.geoCodeLookup(this.setCenter.geoCodeAddr);
            } else {
                if (this.gmapType === 'map') {
                    point = new GLatLng(this.setCenter.lat, this.setCenter.lng);
                    this.gmap.setCenter(point, this.zoomLevel);
                }
                if (typeof this.setCenter.marker === 'object' && typeof point === 'object') {
                    this.addMarker(point, this.setCenter.marker, this.setCenter.marker.clear);
                }
            }
            if (this.gmapType === 'panorama') {
                this.gmap.setLocationAndPOV(new GLatLng(this.setCenter.lat, this.setCenter.lng), { yaw: this.yaw, pitch: this.pitch, zoom: this.zoom });
            }
        }

        GEvent.bind(this.gmap, 'load', this, function () {
            this.onMapReady();
        });

    },
    onMapReady: function () {
        this.addMarkers(this.markers);
        this.addMapControls();
        this.addOptions();
    },
    afterComponentLayout: function (w, h) {

        if (typeof this.getMap() == 'object') {
            this.gmap.checkResize();
        }

        this.callParent(arguments);

    },
    setSize: function (width, height, animate) {

        if (typeof this.getMap() == 'object') {
            this.gmap.checkResize();
        }

        this.callParent(arguments);

    },
    getMap: function () {

        return this.gmap;

    },
    getCenter: function () {

        return this.getMap().getCenter();

    },
    getCenterLatLng: function () {

        var ll = this.getCenter();
        return { lat: ll.lat(), lng: ll.lng() };

    },
    addMarkers: function (markers) {

        if (Ext.isArray(markers)) {
            for (var i = 0; i < markers.length; i++) {
                var mkr_point = new GLatLng(markers[i].lat, markers[i].lng);
                this.addMarker(mkr_point, markers[i].marker, false, markers[i].setCenter, markers[i].listeners);
            }
        }

    },
    addMarker: function (point, marker, clear, center, listeners) {
        var evt;
        Ext.applyIf(marker, G_DEFAULT_ICON);

        if (clear === true) {
            this.getMap().clearOverlays();
        }
        if (center === true) {
            this.getMap().setCenter(point, this.zoomLevel);
        }

        var mark = new GMarker(point, marker);
        if (typeof listeners === 'object') {
            for (evt in listeners) {
                if (!listeners.hasOwnProperty(evt)) {
                    continue;
                }
                GEvent.bind(mark, evt, this, listeners[evt]);
            }
        }
        this.getMap().addOverlay(mark);

    },
    addMapControls: function () {

        if (this.gmapType === 'map') {
            if (Ext.isArray(this.mapControls)) {
                for (var i = 0; i < this.mapControls.length; i++) {
                    this.addMapControl(this.mapControls[i]);
                }
            } else if (typeof this.mapControls === 'string') {
                this.addMapControl(this.mapControls);
            } else if (typeof this.mapControls === 'object') {
                this.getMap().addControl(this.mapControls);
            }
        }

    },
    addMapControl: function (mc) {

        var mcf = window[mc];
        if (typeof mcf === 'function') {
            this.getMap().addControl(new mcf());
        }

    },
    addOptions: function () {

        if (Ext.isArray(this.mapConfOpts)) {
            for (var i = 0; i < this.mapConfOpts.length; i++) {
                this.addOption(this.mapConfOpts[i]);
            }
        } else if (typeof this.mapConfOpts === 'string') {
            this.addOption(this.mapConfOpts);
        }

    },
    addOption: function (mc) {

        var mcf = this.getMap()[mc];
        if (typeof mcf === 'function') {
            this.getMap()[mc]();
        }

    },
    geoCodeLookup: function (addr) {

        this.geocoder = new GClientGeocoder();
        this.geocoder.getLocations(addr, Ext.Function.bind(this.addAddressToMap, this));

    },
    addAddressToMap: function (response) {
        var place, addressinfo, accuracy, point;
        if (!response || response.Status.code != 200) {
            Ext.MessageBox.alert('Error', 'Code ' + response.Status.code + ' Error Returned');
        } else {
            place = response.Placemark[0];
            addressinfo = place.AddressDetails;
            accuracy = addressinfo.Accuracy;
            if (accuracy === 0) {
                Ext.MessageBox.alert('Unable to Locate Address', 'Unable to Locate the Address you provided');
            } else {
                if (accuracy < 7) {
                    Ext.MessageBox.alert('Address Accuracy', 'The address provided has a low accuracy.<br><br>Level ' + accuracy + ' Accuracy (8 = Exact Match, 1 = Vague Match)');
                } else {
                    point = new GLatLng(place.Point.coordinates[1], place.Point.coordinates[0]);
                    if (typeof this.setCenter.marker === 'object' && typeof point === 'object') {
                        this.addMarker(point, this.setCenter.marker, this.setCenter.marker.clear, true, this.setCenter.listeners);
                    }
                }
            }
        }

    }

});

